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Top Lead Generation Agencies for Startups in 2025
Top lead generation agencies for startups in 2025 help new businesses find qualified customers, book meetings, and grow faster. In today’s market, startups can’t waste time on unqualified leads or strategies that drain budgets. That’s why choosing the right agency is so critical.
This guide compares the most effective agencies, their pricing signals, and what makes each one stand out in 2025. You’ll also see how growth-focused firms like aboveA differ from PPC-heavy competitors, and how startups can choose the best partner for their stage, budget, and long-term growth goals.
aboveA helps founders cut through the noise with custom strategies built for stage, budget, and international growth goals.
Table of Contents
How We Selected the Best Lead Generation Agencies for Startups in 2025?
The best lead generation agencies for startups in 2025 aren’t just the most prominent names – they’re the ones that match the unique needs of early-stage companies. Startups require scalable pricing, quick results, and strategies that utilize their limited resources efficiently. That means the agency must balance quality leads with realistic costs.
When choosing the top agencies for this list, we looked at five main factors. First, startup suitability: Does the agency design campaigns for lean teams with smaller budgets? Second, pricing transparency, are there clear ranges or packages that a founder can plan around? Third, service depth: Does the agency handle appointment setting, outbound email, SDR management, and LinkedIn prospecting, or only one piece? Fourth, we verified reviews by checking G2, Clutch, and TrustRadius for founder feedback. And fifth, do the agency’s results show ROI benchmarks, case studies, or pipeline growth that startups can trust?
This approach ensures we’re not just naming well-known firms but highlighting agencies that deliver measurable results for startups in 2025. The following table shows a side-by-side comparison, with aboveA featured early for its unique focus on international growth marketing and lead systems that scale with founders.
Comparison of the Top 10 Lead Generation Agencies for Startups in 2025
Choosing the right lead generation agency in 2025 depends on your startup’s stage, goals, and budget. The table below compares pricing, strengths, and best-fit scenarios for the top 10 providers. Use it as a quick reference to find the partner best aligned with your growth strategy.
| Agency | Website | Pricing (2025) | Strengths | Best For |
|---|---|---|---|---|
| Belkins | belkins.io | Custom, usually $4,000–$10,000/month | Outbound appointment setting, multichannel outreach, predictable meetings | Startups needing fast outbound results without SDR hires |
| aboveA | above.tech | Flexible, starting around $3,000–$8,000/month | International SEO, inbound + outbound systems, scalable growth frameworks | Startups aiming for sustainable growth and global expansion |
| CIENCE | cience.com | $5,000–$15,000/month | Large SDR teams, data-driven targeting, global outreach | Startups needing enterprise-grade outbound campaigns |
| Callbox | callboxinc.com | $4,000–$12,000/month | Multichannel outreach (calls, LinkedIn, email), CRM integration | Startups that want done-for-you multichannel campaigns |
| Martal Group | martal.ca | $5,000–$20,000/month | Fractional sales executives, end-to-end sales support | Startups needing outsourced sales leadership |
| SalesRoads | salesroads.com | $6,000–$12,000/month | Customized SDR teams, tailored outbound strategies | Startups in complex B2B industries needing predictable meetings |
| memoryBlue | memoryblue.com | $5,000–$15,000/month | Tech-focused SDR outsourcing, sales training, recruiting support | SaaS and tech startups targeting CIOs/CTOs |
| Pearl Lemon Leads | pearllemonleads.com | $3,000–$8,000/month | SEO-driven lead gen + outbound campaigns, international reach | Startups wanting inbound + outbound mix |
| Cleverly | cleverly.co | $1,000–$3,000/month | LinkedIn lead generation, affordable entry-level packages | Startups with LinkedIn-driven audiences |
| LeadGenius | leadgenius.com | Custom, typically $8,000–$25,000/month | Custom datasets, ABM, enterprise targeting | Startups selling to enterprise buyers with high-ticket offers |
Belkins – The best pick for outbound appointment setting
Belkins is one of the most recognized lead generation agencies for startups in 2025, helping founders secure qualified meetings without hiring in-house SDR teams. The agency specializes in appointment setting, lead research, and outbound campaigns that keep sales calendars full. Belkins uses multichannel outreach – cold email, LinkedIn, and phone – to improve response rates and conversions. Startups can expect between 100 and 400 meetings per year, depending on industry and package. With clients across SaaS, fintech, and professional services, Belkins has proven itself as a trusted partner for fast-growing companies that need pipeline results and measurable ROI in competitive markets.
Advantages
Belkins offers a structured outbound system with clear ROI metrics, which is valuable for startups under pressure to grow quickly. Their ability to handle both data sourcing and outreach reduces the need for multiple vendors. Consistent reporting helps founders track performance.
Disadvantages
Pricing is not publicly listed and requires custom quotes, which can make early budgeting harder for founders. Belkins also leans heavily toward outbound, meaning startups seeking inbound marketing support may need a secondary provider.
For startups in 2025, Belkins is best suited when:
You want fast appointment setting with predictable monthly meetings.
Your team has no in-house SDRs and limited sales bandwidth.
You need multichannel outreach covering email, LinkedIn, and phone.
You prefer clear deliverables and ROI-focused campaigns.
You sell into competitive B2B markets and need outbound expertise.
aboveA – The best pick for international growth and scalable lead systems
aboveA is one of the top lead generation agencies for startups in 2025, standing out for its growth-first approach and international expansion expertise. Unlike agencies focused only on short-term lead delivery, aboveA builds scalable lead generation systems that reduce customer acquisition costs over time. The agency combines SEO, conversion-focused design, automation, and outbound prospecting to create both immediate and compounding results. Startups benefit from tailored strategies that adjust to funding stages, helping early teams get quick traction and later-stage founders expand into new markets. aboveA is particularly trusted for startups entering global markets or needing sustainable inbound pipelines beyond PPC.
Advantages
aboveA offers versatility – balancing outbound campaigns with inbound systems that continue delivering leads even without ad spend. Their international SEO and market entry expertise makes them ideal for startups targeting multi-country audiences. Unlike many agencies, aboveA adapts strategies to fit different growth stages instead of using one-size-fits-all packages.
Disadvantages
aboveA may not be the cheapest option, as its strategies are designed for long-term ROI rather than lowest upfront costs. Founders seeking only short bursts of outbound activity might find faster but less sustainable results with PPC-heavy agencies
For startups in 2025, aboveA is best suited when:
You want lead generation systems that scale instead of one-off campaigns.
Your startup is preparing for international market expansion.
You need a balance of inbound and outbound lead channels.
You’re focused on lowering CAC and building authority.
You want a partner that adapts to your funding stage.
CIENCE – The best pick for data-driven outbound sales
CIENCE is one of the most established lead generation agencies for startups in 2025, known for its data-first approach to outbound sales development. The company combines sales development reps (SDRs), proprietary data, and multichannel outreach to deliver consistent pipelines. For startups that need structure, CIENCE offers a mix of prospecting, lead research, and appointment setting supported by its in-house technologies. With a global team, CIENCE is able to target multiple regions, making it especially appealing to startups with cross-border ambitions. By focusing on repeatable sales processes, CIENCE helps founders move from inconsistent outreach to scalable, measurable lead generation.
Advantages
CIENCE has a strong data infrastructure that ensures lead accuracy and relevance. Their SDR model provides startups with immediate outbound capacity without the cost of hiring internally. Reporting and analytics are detailed, which helps founders measure ROI.
Disadvantages
CIENCE can be expensive for early-stage startups, with costs scaling based on the number of SDRs and outreach volume. Their heavy focus on outbound means companies looking for inbound growth strategies may need additional providers.
For startups in 2025, CIENCE is best suited when:
You need dedicated SDRs without hiring internally.
Accurate B2B data and targeting are critical for your campaigns.
You want scalable outbound systems with predictable results.
Your business is expanding into multiple regions or markets.
You value structured reporting and analytics-driven performance.
Callbox – The best pick for multichannel B2B outreach
Callbox is a top lead generation agency for startups in 2025, specializing in multichannel B2B prospecting. Unlike agencies that rely on just email or LinkedIn, Callbox integrates phone calls, email marketing, LinkedIn outreach, content syndication, and event marketing into its campaigns. This combination helps startups connect with decision-makers across multiple touchpoints, increasing the likelihood of conversion. Callbox also offers its own tech platform called Callbox Pipeline, which provides lead tracking, campaign reporting, and CRM integration – making it easier for startups to manage outreach at scale. For founders who want a full-service partner, Callbox remains a trusted global player.
Advantages
Callbox provides end-to-end lead generation, handling everything from contact discovery to appointment setting. Their technology platform improves transparency and helps startups align marketing and sales. With global coverage, Callbox is strong for businesses targeting international audiences.
Disadvantages
Pricing is not always transparent, as most packages are customized. Campaigns can be resource-heavy, which may feel overwhelming for lean startups with limited bandwidth to follow up.
For startups in 2025, Callbox is best suited when:
You want multichannel campaigns beyond email and LinkedIn.
Your team values CRM integration and campaign visibility.
You’re targeting decision-makers in multiple industries.
You need a provider with global lead generation experience.
You prefer done-for-you appointment setting with reporting tools.
Martal Group – The best pick for fractional sales teams
Martal Group is one of the leading lead generation agencies for startups in 2025, offering fractional sales teams that blend strategy, prospecting, and closing support. Unlike traditional agencies that only book appointments, Martal provides experienced sales executives who act as an extension of a startup’s team. Their services include B2B lead research, SDR outreach, email marketing, LinkedIn campaigns, and sales acceleration. For startups lacking a mature sales process, Martal fills the gap by providing both talent and execution. With coverage across North America and Europe, Martal is especially effective for startups expanding into new regions.
Advantages
Martal offers full sales support, not just lead delivery. Their executives bring deep B2B experience, making them ideal for SaaS and tech startups. Their fractional model reduces hiring costs while providing on-demand scalability.
Disadvantages
Pricing can be higher compared to agencies that only provide SDRs. Startups looking only for basic appointment setting may find Martal’s solutions more than they need. Campaigns can also take longer to ramp up due to deeper involvement.
For startups in 2025, Martal Group is best suited when:
You want fractional sales executives without full-time hires.
Your startup needs end-to-end sales and lead generation support.
You’re expanding into North American or European markets.
You operate in SaaS, tech, or high-ticket B2B industries.
You prefer a scalable, strategic partner instead of transactional lead gen.
SalesRoads – The best pick for customized SDR outsourcing
SalesRoads is one of the most respected lead generation agencies for startups in 2025, focused on customized SDR outsourcing and B2B appointment setting. Unlike many agencies that use templated outreach, SalesRoads designs tailored outbound campaigns based on a client’s industry, target accounts, and sales goals. Their core service is providing dedicated SDR teams that prospect, qualify, and book meetings directly for a startup’s sales team. With over 15 years of experience, SalesRoads has worked with industries ranging from SaaS and manufacturing to healthcare. Their emphasis on personalized outreach and consistent lead quality makes them a reliable partner for startups seeking predictable growth.
Advantages
SalesRoads builds customized outreach campaigns instead of relying on one-size-fits-all scripts. Their SDRs integrate closely with client teams, creating a seamless extension of internal sales. Transparency and detailed reporting help founders monitor ROI.
Disadvantages
Costs are higher than those of entry-level appointment-setting firms, making it harder for early pre-seed startups to afford. Their focus on outbound SDR campaigns means startups seeking inbound marketing or SEO will need extra providers.
For startups in 2025, SalesRoads is best suited when:
You need dedicated SDRs trained for your industry.
Custom, high-quality outbound campaigns are a priority.
You want predictable, qualified sales meetings each month.
Your startup operates in complex B2B industries.
You value long-term partnerships and detailed campaign analytics.
memoryBlue – The best pick for tech-focused sales development
memoryBlue is one of the top lead generation agencies for startups in 2025, specializing in technology-focused SDR outsourcing and sales training. Unlike generalist agencies, memoryBlue specializes in working with SaaS, IT services, cybersecurity, and enterprise tech startups, making them a strong partner for founders in high-growth industries. Their model combines outsourced SDR teams with coaching and mentorship, helping startups not only book meetings but also develop long-term internal sales capabilities. memoryBlue also supports clients through sales recruiting, ensuring startups can transition from outsourced SDRs to in-house staff when the time is right. This makes them more than just a lead gen provider—they’re a sales development partner.
Advantages
memoryBlue provides deep expertise in technology markets, which helps startups reach CIOs, CTOs, and other technical buyers. Their dual focus on outsourcing and training builds an immediate pipeline while preparing internal teams. They also offer recruiting services, giving founders flexibility to scale.
Disadvantages
Their tech-heavy specialization may not fit non-tech startups. Pricing is not standardized, and campaigns can be resource-intensive, requiring close alignment between the startup and the SDR team.
For startups in 2025, memoryBlue is best suited when:
You are a tech startup targeting enterprise buyers.
You want SDRs with industry-specific knowledge.
Building long-term in-house sales teams is part of your plan.
You need both outsourcing and training to scale pipeline.
You prefer a partner with recruiting and growth support.
Pearl Lemon Leads – The best pick for SEO-driven lead generation
Pearl Lemon Leads is one of the leading lead generation agencies for startups in 2025, known for blending SEO strategies with outbound lead generation. Unlike most providers that rely solely on SDRs or email campaigns, Pearl Lemon Leads builds organic visibility through SEO, content, and link-building alongside traditional outreach. This dual approach helps startups not only book meetings but also improve their long-term inbound traffic. With global operations, Pearl Lemon is beautiful for founders targeting the UK, US, and European markets. Their services include cold calling, email campaigns, LinkedIn outreach, SEO consulting, and digital PR, giving startups multiple lead streams from one provider.
Advantages
Pearl Lemon Leads offers a hybrid model of outbound and inbound strategies, which strengthens long-term pipelines. Their SEO expertise helps startups lower customer acquisition costs. With a global presence, they can support international expansion.
Disadvantages
Campaigns can take longer to show results compared to outbound-only providers. Startups seeking quick, short-term leads may find the SEO component less aligned with immediate goals. Pricing is also customized, which can complicate comparisons.
For startups in 2025, Pearl Lemon Leads is best suited when:
You want SEO plus outbound lead generation in one package.
Lowering customer acquisition costs over time is a priority.
You’re targeting international audiences in the US, UK, or EU.
You want to diversify between inbound and outbound channels.
You prefer an agency with SEO-first expertise.
Cleverly – The best pick for LinkedIn-focused lead generation
Cleverly is one of the most popular lead generation agencies for startups in 2025, specializing in LinkedIn prospecting and outreach campaigns. Instead of managing complete outbound systems, Cleverly narrows its focus to LinkedIn, running personalized connection requests, follow-up messages, and content-driven campaigns that generate leads on the world’s largest B2B platform. For startups that sell to professionals, Cleverly helps position founders and teams as thought leaders while driving qualified conversations. With thousands of campaigns managed, Cleverly has built a reputation for its done-for-you LinkedIn automation paired with human oversight to keep outreach authentic and compelling.
Advantages
Cleverly provides a cost-effective entry point for startups new to lead generation. Their focus on LinkedIn means highly targeted outreach by industry, job title, or region. Campaigns can scale quickly without requiring SDR hires.
Disadvantages
Since Cleverly is LinkedIn-only, startups may need additional providers for email, phone, or SEO-based lead generation. In saturated markets, LinkedIn response rates can also vary.
For startups in 2025, Cleverly is best suited when:
You want LinkedIn-focused lead generation without hiring SDRs.
Your buyers are professionals active on LinkedIn.
You need a cost-effective, scalable lead generation entry point.
Personal branding and thought leadership on LinkedIn are key goals.
You prefer automation with human oversight for authenticity.
LeadGenius – The best pick for custom data and enterprise targeting
LeadGenius is one of the most advanced lead generation agencies for startups in 2025, specializing in custom B2B data research and enterprise prospecting. Unlike most providers that rely on generic databases, LeadGenius builds tailored datasets for each client, ensuring that startups target the exact companies and decision-makers they want. Their services go beyond lead lists, combining data enrichment, account-based marketing, and multichannel outreach. For startups aiming to move upmarket and target larger deals, LeadGenius provides the precision needed to reach enterprise buyers. With coverage across global markets, they are also a strong fit for founders expanding internationally.
Advantages
LeadGenius excels at data customization, giving startups an edge in competitive industries. Their account-based approach aligns perfectly with enterprise sales. They also offer global data coverage, supporting expansion into multiple regions.
Disadvantages
LeadGenius can be expensive for early-stage startups, as custom data collection and ABM campaigns require larger budgets. Their model is better suited for companies selling high-ticket B2B products rather than small SaaS plans.
For startups in 2025, LeadGenius is best suited when:
You need custom datasets for precise targeting.
Your startup is selling into enterprise or mid-market clients.
You want to combine ABM with multichannel outreach.
Global expansion requires localized, accurate lead data.
You’re focused on high-value B2B deals with long sales cycles.
How to Choose the Right Lead Generation Agency in 2025?
Selecting the best lead generation agency for startups in 2025 depends on more than price. Founders should first define whether they need outbound sales development, inbound marketing, or a mix of both. Outbound-focused startups benefit from agencies like Belkins, CIENCE, or SalesRoads, while inbound-driven founders may prefer Pearl Lemon Leads or aboveA.
Budget is another key factor. Agencies like Cleverly offer affordable entry points through LinkedIn lead generation, whereas firms like LeadGenius or Martal Group specialize in enterprise-level campaigns but come with higher costs. Consider your stage: early-stage startups may only need appointment setting, while growth-stage companies benefit from account-based marketing or international SEO support.
Industry specialization also plays a role. memoryBlue is ideal for tech startups, while Callbox and Martal Group are better suited for founders looking to expand into multiple regions or industries. If international growth is a goal, agencies with global coverage and multilingual campaigns provide more value.
Finally, think long term. Some agencies deliver quick appointments, while others help build scalable lead generation systems that reduce acquisition costs over time. By matching your goals, budget, and industry focus to the right provider, you can maximize ROI and ensure a steady pipeline of qualified opportunities.
Conclusion
Finding the top lead generation agency for startups in 2025 comes down to clarity on your goals, budget, and growth stage. Some agencies shine at fast outbound appointment setting, while others focus on SEO-driven long-term strategies. Whether you need fractional sales teams,
LinkedIn outreach, or enterprise targeting, the right partner can accelerate your pipeline and lower acquisition costs. Use this guide and comparison to narrow down the best options, and remember that choosing the right agency is less about size and more about alignment with your startup’s vision for growth.
Frequently Asked Questions
How much do lead generation agencies for startups charge in 2025?
Most agencies charge between $3,000 and $15,000 monthly in 2025, depending on services, industry focus, and level of customization required for campaigns.
Is outbound or inbound lead generation better for startups?
Outbound delivers quick meetings through email, LinkedIn, and calls, while inbound builds sustainable pipelines through SEO and content. Many startups will succeed with a hybrid approach in 2025.
What industries benefit most from hiring lead generation agencies?
SaaS, tech, finance, and B2B services gain the most, as agencies offer specialized targeting, account-based marketing, and customized outreach that helps startups connect with decision-makers efficiently.
How do startups measure ROI from lead generation services?
ROI is tracked by qualified meetings booked, conversion rates to sales opportunities, pipeline growth, and reduced customer acquisition costs. Agencies also provide dashboards and reports for transparency.
